Onion Lake   Be the first to submit input for Onion Lake. If you have info on Onion Lake, Coast Ranges, Humboldt County, California please submit it here to improve this web site.          These outdoors activities are available near Onion Lake.   Public Lands Near Onion Lake: Six Rivers National Forest, California, 20 miles away Prairie City State Park, California, 20 miles away Prairie Creek Redwoods State Park, California, 20 miles away Redwood National and State Parks, Crescent City - CA, 36 miles away Oregon Caves National Monument, Cave Junction - OR, 40 miles away   Camp Grounds Near Onion Lake: Bluff Creek Campground, Humboldt County, 10 miles away Aikens Creek Campground, Humboldt County, 10 miles away   Hotels Near Onion Lake: Emerald Forest Of Trinidad, Trinidad, 32 miles away Holiday Inn Express Hotel & Suites ARCATA/EUREKA-AIRPORT AREA, Mckinleyville, 33 miles away Days Inn Arcata CA, Arcata, 34 miles away Howard Johnson Express Arcata, Arcata, 34 miles away Best Western Arcata Inn, Arcata, 34 miles away   Hiking Trails Near Onion Lake: Summit Valley Trail, Del Norte County, 13 miles away        14.8 hiking miles, 3955 feet elevation difference Rhododendron Trail, Humboldt County, 18 miles away       5.9 hiking miles, 977 feet elevation difference South Fork Trail, Humboldt County, 18 miles away        1.2 hiking miles, 679 feet elevation difference   Ski Areas Near Onion Lake: Mt. Ashland, Oregon, 81 miles away       1195 foot drop, 4 lifts, 23 runs   Whitewater Near Onion Lake: Klamath River, HumboldtCounty, 10 miles away       Class II - 36 miles long (Weitchpec to Klamath Glen) Klamath River, HumboldtCounty, 16 miles away       Class II - 16 miles long (Orleans to Weitchpec) Whitewater Outfitter - Klamath River Outfitters, SiskiyouCounty, 17 miles away       Whitewater outfitter